Bottom left person is Austin Eaman Sampson(b. 1874), Either top middle or bottom right person is his sister, Agnes Loretta Sampson(b. 1871). The other individuals may be other siblings, but I can't be sure.
The 1800s where the end of the industrial revolution and the birth of scientists.
The Industrial Revolution began around 1760 and ran through the 1840's. Then began the birth of the profession of science. Louis Pasteur, Charles Darwin, Michael Faraday, Thomas Edison, and Nikola Te...